Mercurial > projects > qtd
comparison d2/qt/QGlobal.d @ 311:8674fd5f34f4 lifetime
Added d1/d2 top directories
author | maxter <spambox@d-coding.com> |
---|---|
date | Wed, 23 Dec 2009 16:17:22 +0200 |
parents | |
children | 80b52f5e97b6 |
comparison
equal
deleted
inserted
replaced
310:5bcfe9e7db7f | 311:8674fd5f34f4 |
---|---|
1 module qt.QGlobal; | |
2 | |
3 public import qt.qtd.Str; | |
4 public import qt.QDefines; | |
5 | |
6 version (D_Version2) | |
7 { | |
8 import std.stdio; | |
9 package import std.c.stdlib, | |
10 core.memory; | |
11 } | |
12 else | |
13 { | |
14 import tango.io.Stdout; | |
15 import tango.core.Thread; | |
16 | |
17 void writeln(string s) | |
18 { | |
19 Stdout(s).newline; | |
20 } | |
21 package import tango.stdc.stdlib, | |
22 tango.core.Memory; | |
23 } | |
24 | |
25 private enum : size_t { stackSize = 1024 * 1024 } | |
26 | |
27 template QT_BEGIN_NAMESPACE() { | |
28 } | |
29 | |
30 template QT_END_NAMESPACE() { | |
31 } | |
32 | |
33 template QT_BEGIN_HEADER() { | |
34 } | |
35 | |
36 template QT_END_HEADER() { | |
37 } | |
38 | |
39 mixin QT_BEGIN_HEADER; | |
40 mixin QT_BEGIN_NAMESPACE; | |
41 | |
42 extern(C) void qtd_dummy() {} | |
43 // Defined in QtdObject.d | |
44 extern(C) void qtd_delete_d_object(void* dPtr); | |
45 | |
46 version(cpp_shared) | |
47 { | |
48 extern (C) void qtd_core_initCallBacks(void* toUtf8, void* dummy, void* del_d_obj); | |
49 static this() { | |
50 qtd_core_initCallBacks(&qtd_toUtf8, &qtd_dummy, &qtd_delete_d_object); | |
51 } | |
52 } | |
53 | |
54 string tr(string arg) { | |
55 return arg; | |
56 } | |
57 | |
58 /* | |
59 can be used like #if (QT_VERSION >= QT_VERSION_CHECK(4, 4, 0)) | |
60 */ | |
61 bool QT_VERSION_CHECK( ushort major, ushort minor, ushort patch ) | |
62 { | |
63 return cast(bool)((major<<16)|(minor<<8)|(patch)); | |
64 } | |
65 //TODO(katrina) get this from the C++ side | |
66 const char[] QT_PACKAGEDATE_STR = "2008-09-27"; | |
67 //TODO(katrina) get this from the C++ side | |
68 const char[] QT_PACKAGE_TAG = "gc9953de622c6a0f655322e0d9f5bd6dc2803b470"; | |
69 | |
70 /* | |
71 Size-dependent types (architechture-dependent byte order) | |
72 | |
73 Make sure to update QMetaType when changing these typedefs | |
74 */ | |
75 | |
76 alias char qint8; /* 8 bit signed */ | |
77 alias char quint8; /* 8 bit unsigned */ | |
78 alias short qint16; /* 16 bit signed */ | |
79 alias ushort quint16; /* 16 bit unsigned */ | |
80 alias int qint32; /* 32 bit signed */ | |
81 alias uint quint32; /* 32 bit unsigned */ | |
82 alias long qint64; /* 64 bit signed */ | |
83 alias ulong quint64; /* 64 bit unsigned */ | |
84 | |
85 version (X86) | |
86 { | |
87 alias quint32 quintptr; | |
88 alias qint32 qptrdiff; | |
89 } | |
90 else version (X86_64) | |
91 { | |
92 alias quint64 quintptr; | |
93 alias qint64 qptrdiff; | |
94 } | |
95 | |
96 const byte QT_POINTER_SIZE = 8; | |
97 | |
98 alias int QNoImplicitBoolCast; | |
99 | |
100 alias double qreal; | |
101 | |
102 | |
103 /* | |
104 Utility macros and inline functions | |
105 TODO(katrina) see if we need to do anything to make these | |
106 able to be evaluated at compile time | |
107 */ | |
108 | |
109 T qAbs(T)(T t) { return t >= 0 ? t : -t; } | |
110 | |
111 int qRound(qreal d) | |
112 { return d >= 0.0 ? cast(int)(d + 0.5) : cast(int)(d - cast(int)(d-1) + 0.5) + cast(int)(d-1); } | |
113 | |
114 qint64 qRound64(qreal d) | |
115 { return d >= 0.0 ? cast(qint64)(d + 0.5) : cast(qint64)(d - cast(qint64)(d-1) + 0.5) + cast(qint64)(d-1); } | |
116 | |
117 T qMin(T)(T a,T b) { if (a < b) return a; return b; } | |
118 T qMax(T)(T a, T b) { if (a < b) return b; return a; } | |
119 T qBound(T)(T min, T val,T max) { return qMax(min, qMin(max, val)); } | |
120 | |
121 /* | |
122 Data stream functions are provided by many classes (defined in qdatastream.h) | |
123 */ | |
124 | |
125 //class QDataStream; | |
126 | |
127 /* | |
128 System information | |
129 */ | |
130 | |
131 class QSysInfo { | |
132 public: | |
133 enum Sizes { | |
134 WordSize = ((void *).sizeof<<3) | |
135 }; | |
136 | |
137 enum Endian { | |
138 BigEndian, | |
139 LittleEndian, | |
140 ByteOrder = BigEndian | |
141 }; | |
142 /* needed to bootstrap qmake */ | |
143 static const int ByteOrder; | |
144 | |
145 enum WinVersion { | |
146 WV_32s = 0x0001, | |
147 WV_95 = 0x0002, | |
148 WV_98 = 0x0003, | |
149 WV_Me = 0x0004, | |
150 WV_DOS_based= 0x000f, | |
151 | |
152 WV_NT = 0x0010, | |
153 WV_2000 = 0x0020, | |
154 WV_XP = 0x0030, | |
155 WV_2003 = 0x0040, | |
156 WV_VISTA = 0x0080, | |
157 WV_NT_based = 0x00f0, | |
158 | |
159 WV_CE = 0x0100, | |
160 WV_CENET = 0x0200, | |
161 WV_CE_5 = 0x0300, | |
162 WV_CE_6 = 0x0400, | |
163 WV_CE_based = 0x0f00 | |
164 }; | |
165 static const WinVersion WindowsVersion; | |
166 static WinVersion windowsVersion(); | |
167 | |
168 enum MacVersion { | |
169 MV_Unknown = 0x0000, | |
170 | |
171 /* version */ | |
172 MV_9 = 0x0001, | |
173 MV_10_0 = 0x0002, | |
174 MV_10_1 = 0x0003, | |
175 MV_10_2 = 0x0004, | |
176 MV_10_3 = 0x0005, | |
177 MV_10_4 = 0x0006, | |
178 MV_10_5 = 0x0007, | |
179 | |
180 /* codenames */ | |
181 MV_CHEETAH = MV_10_0, | |
182 MV_PUMA = MV_10_1, | |
183 MV_JAGUAR = MV_10_2, | |
184 MV_PANTHER = MV_10_3, | |
185 MV_TIGER = MV_10_4, | |
186 MV_LEOPARD = MV_10_5 | |
187 }; | |
188 static const MacVersion MacintoshVersion; | |
189 }; | |
190 | |
191 | |
192 extern(C) stringz qtd_qVersion(); | |
193 /// | |
194 string qVersion() | |
195 { | |
196 return fromStringz(qtd_qVersion); | |
197 } | |
198 | |
199 extern(C) bool qtd_qSharedBuild(); | |
200 /// | |
201 bool qSharedBuild() | |
202 { | |
203 return qtd_qSharedBuild; | |
204 } | |
205 | |
206 /// | |
207 int qMacVersion() { return QSysInfo.MacintoshVersion; } | |
208 | |
209 /// | |
210 void qUnused(T)(T x) { cast(void) x; } | |
211 /// | |
212 void Q_UNUSED(T)(T x) { qUnused(x); } | |
213 | |
214 /* | |
215 Debugging and error handling | |
216 */ | |
217 | |
218 //class QString; | |
219 //char[] qPrintable(QString string) { string.toLocal8Bit().constData(); } | |
220 //TODO(katrina) These should probably actually call into the c++ functions | |
221 void qDebug(string str) /* print debug message */ | |
222 { writeln(str); } | |
223 | |
224 extern (C) void Qt_qWarning( char * ); | |
225 | |
226 void qWarning(char[] str) /* print warning message */ | |
227 { writeln(str); } | |
228 | |
229 //QString qt_error_string(int errorCode = -1); | |
230 void qCritical(char[] str) /* print critical message */ | |
231 { writeln(str); } | |
232 | |
233 /* | |
234 Forward declarations only. | |
235 | |
236 In order to use the qDebug() stream, you must #include<QDebug> | |
237 */ | |
238 //class QDebug; | |
239 //class QNoDebug; | |
240 //QDebug qDebug(); | |
241 //QDebug qWarning(); | |
242 //QDebug qCritical(); | |
243 | |
244 void qt_noop() {} | |
245 //TODO(katrina) Implement these | |
246 void qt_assert(char[] assertion, char[] file, int line); | |
247 | |
248 void qt_assert_x(char[] where, char[] what, char[] file, int line); | |
249 | |
250 void qt_check_pointer(char[], int); | |
251 | |
252 enum QtMsgType { QtDebugMsg, QtWarningMsg, QtCriticalMsg, QtFatalMsg, QtSystemMsg = QtCriticalMsg }; | |
253 | |
254 void qt_message_output(QtMsgType, char[] buf); | |
255 //class QtMsgHandler; | |
256 //QtMsgHandler qInstallMsgHandler(QtMsgHandler); | |
257 | |
258 // forward declaration, since qatomic.h needs qglobal.h | |
259 class QBasicAtomicPointer(T); | |
260 | |
261 // POD for Q_GLOBAL_STATIC | |
262 class QGlobalStatic(T) | |
263 { | |
264 public: | |
265 QBasicAtomicPointer!(T) pointer; | |
266 bool destroyed; | |
267 }; | |
268 | |
269 // Created as a function-local static to delete a QGlobalStatic<T> | |
270 class QGlobalStaticDeleter(T) | |
271 { | |
272 public: | |
273 QGlobalStatic!(T) globalStatic; | |
274 this(QGlobalStatic!(T) _globalStatic) { | |
275 globalStatic(_globalStatic); | |
276 } | |
277 | |
278 ~this() | |
279 { | |
280 delete globalStatic.pointer; | |
281 globalStatic.pointer = 0; | |
282 globalStatic.destroyed = true; | |
283 } | |
284 }; | |
285 | |
286 class QBool | |
287 { | |
288 bool b; | |
289 | |
290 public: | |
291 this(bool B) { b = B; } | |
292 // void *() const | |
293 // { return b ? static_cast<const void *>(this) : static_cast<const void *>(0); } | |
294 } | |
295 | |
296 bool qFuzzyCompare(double p1, double p2) | |
297 { | |
298 return (qAbs(p1 - p2) <= 0.000000000001 * qMin(qAbs(p1), qAbs(p2))); | |
299 } | |
300 | |
301 bool qFuzzyCompare(float p1, float p2) | |
302 { | |
303 return (qAbs(p1 - p2) <= 0.00001f * qMin(qAbs(p1), qAbs(p2))); | |
304 } | |
305 | |
306 /* | |
307 This function tests a double for a null value. It doesn't | |
308 check whether the actual value is 0 or close to 0, but whether | |
309 it is binary 0. | |
310 */ | |
311 bool qIsNull(double d) | |
312 { | |
313 union U { | |
314 double d; | |
315 quint64 u; | |
316 }; | |
317 U val; | |
318 val.d = d; | |
319 return val.u == cast(quint64)(0); | |
320 } | |
321 | |
322 /* | |
323 This function tests a float for a null value. It doesn't | |
324 check whether the actual value is 0 or close to 0, but whether | |
325 it is binary 0. | |
326 */ | |
327 bool qIsNull(float f) | |
328 { | |
329 union U { | |
330 float f; | |
331 quint32 u; | |
332 }; | |
333 U val; | |
334 val.f = f; | |
335 return val.u == 0u; | |
336 } | |
337 | |
338 /* | |
339 Compilers which follow outdated template instantiation rules | |
340 require a class to have a comparison operator to exist when | |
341 a QList of this type is instantiated. It's not actually | |
342 used in the list, though. Hence the dummy implementation. | |
343 Just in case other code relies on it we better trigger a warning | |
344 mandating a real implementation. | |
345 */ | |
346 | |
347 | |
348 /* | |
349 QTypeInfo - type trait functionality | |
350 qIsDetached - data sharing functionality | |
351 */ | |
352 | |
353 /* | |
354 The catch-all template. | |
355 */ | |
356 | |
357 bool qIsDetached(T)(T) { return true; } | |
358 | |
359 class QTypeInfossss(T) | |
360 { | |
361 public: | |
362 enum { | |
363 isPointer = false, | |
364 isComplex = true, | |
365 isStatic = true, | |
366 isLarge = ((T).sizeof>(void*).sizeof), | |
367 isDummy = false | |
368 }; | |
369 }; | |
370 | |
371 class QTypeInfo(T) | |
372 { | |
373 public: | |
374 enum { | |
375 isPointer = true, | |
376 isComplex = false, | |
377 isStatic = false, | |
378 isLarge = false, | |
379 isDummy = false | |
380 }; | |
381 }; | |
382 | |
383 | |
384 /* | |
385 Specialize a specific type with: | |
386 | |
387 Q_DECLARE_TYPEINFO(type, flags); | |
388 | |
389 where 'type' is the name of the type to specialize and 'flags' is | |
390 logically-OR'ed combination of the flags below. | |
391 */ | |
392 enum { /* TYPEINFO flags */ | |
393 Q_COMPLEX_TYPE = 0, | |
394 Q_PRIMITIVE_TYPE = 0x1, | |
395 Q_STATIC_TYPE = 0, | |
396 Q_MOVABLE_TYPE = 0x2, | |
397 Q_DUMMY_TYPE = 0x4 | |
398 }; | |
399 | |
400 /* | |
401 Specialize a shared type with: | |
402 | |
403 Q_DECLARE_SHARED(type); | |
404 | |
405 where 'type' is the name of the type to specialize. NOTE: shared | |
406 types must declare a 'bool isDetached(void) const;' member for this | |
407 to work. | |
408 */ | |
409 void qSwap_helper(T)(ref T value1, ref T value2, T*) | |
410 { | |
411 T t = value1; | |
412 value1 = value2; | |
413 value2 = t; | |
414 } | |
415 bool qIsDetached(T)(ref T t) { return t.isDetached(); } | |
416 void qSwap_helper(T)(ref T value1, ref T value2, T*) | |
417 { | |
418 const T.DataPtr t = value1.data_ptr(); | |
419 value1.data_ptr() = value2.data_ptr(); | |
420 value2.data_ptr() = t; | |
421 } | |
422 | |
423 void qSwap(T)(ref T value1, ref T value2) | |
424 { | |
425 T t = value1; | |
426 value1 = value2; | |
427 value2 = t; | |
428 } | |
429 | |
430 /* | |
431 QTypeInfo primitive specializations | |
432 TODO(katrina) Find out what we need to do here | |
433 */ | |
434 /* | |
435 Q_DECLARE_TYPEINFO(bool, Q_PRIMITIVE_TYPE); | |
436 Q_DECLARE_TYPEINFO(char, Q_PRIMITIVE_TYPE); | |
437 Q_DECLARE_TYPEINFO(signed char, Q_PRIMITIVE_TYPE); | |
438 Q_DECLARE_TYPEINFO(uchar, Q_PRIMITIVE_TYPE); | |
439 Q_DECLARE_TYPEINFO(short, Q_PRIMITIVE_TYPE); | |
440 Q_DECLARE_TYPEINFO(ushort, Q_PRIMITIVE_TYPE); | |
441 Q_DECLARE_TYPEINFO(int, Q_PRIMITIVE_TYPE); | |
442 Q_DECLARE_TYPEINFO(uint, Q_PRIMITIVE_TYPE); | |
443 Q_DECLARE_TYPEINFO(long, Q_PRIMITIVE_TYPE); | |
444 Q_DECLARE_TYPEINFO(ulong, Q_PRIMITIVE_TYPE); | |
445 Q_DECLARE_TYPEINFO(qint64, Q_PRIMITIVE_TYPE); | |
446 Q_DECLARE_TYPEINFO(quint64, Q_PRIMITIVE_TYPE); | |
447 Q_DECLARE_TYPEINFO(float, Q_PRIMITIVE_TYPE); | |
448 Q_DECLARE_TYPEINFO(double, Q_PRIMITIVE_TYPE); | |
449 #ifndef Q_OS_DARWIN | |
450 Q_DECLARE_TYPEINFO(long double, Q_PRIMITIVE_TYPE); | |
451 #endif | |
452 */ | |
453 /* | |
454 These functions make it possible to use standard C++ functions with | |
455 a similar name from Qt header files (especially template classes). | |
456 TODO(katrina) Implement these | |
457 */ | |
458 void * qMalloc(size_t size); | |
459 void qFree(void * ptr); | |
460 void * qRealloc(void * ptr, size_t size); | |
461 void * qMemCopy(void * dest, void * src, size_t n); | |
462 void * qMemSet(void * dest, int c, size_t n); | |
463 | |
464 struct QFlags(Enum) | |
465 { | |
466 private: | |
467 alias void **Zero; | |
468 int i; | |
469 | |
470 public: | |
471 alias Enum enum_type; | |
472 | |
473 public static QFlags!(Enum) opCall(Enum)(QFlags f) { | |
474 QFlags!(Enum) res; | |
475 res.i = f.i; | |
476 return res; | |
477 } | |
478 | |
479 public static QFlags opCall(Enum)(Enum f) { | |
480 QFlags!(Enum) res; | |
481 res.i = f; | |
482 return res; | |
483 } | |
484 | |
485 public static QFlags opCall(Enum)(int f) { | |
486 QFlags!(Enum) res; | |
487 res.i = cast(Enum) f; | |
488 return res; | |
489 } | |
490 | |
491 // this(Zero = 0) : i(0) {} | |
492 // this(QFlag f) : i(f) {} | |
493 | |
494 // QFlags!(Enum) opAssign(QFlags f) { i = f.i; return *this; } | |
495 QFlags!(Enum) opAssign(int f) { i = f; return *this; } | |
496 QFlags!(Enum) opAndAssign(int mask) { i &= mask; return *this; } | |
497 QFlags!(Enum) opAndAssign(uint mask) { i &= mask; return *this; } | |
498 QFlags!(Enum) opOrAssign(QFlags f) { i |= f.i; return *this; } | |
499 QFlags!(Enum) opOrAssign(Enum f) { i |= f; return *this; } | |
500 QFlags!(Enum) opXorAssign(QFlags f) { i ^= f.i; return *this; } | |
501 QFlags!(Enum) opXorAssign(Enum f) { i ^= f; return *this; } | |
502 | |
503 int toInt() { return i; } | |
504 | |
505 QFlags!(Enum) opOr(QFlags f) { QFlags g; g.i = i | f.i; return g; } | |
506 QFlags!(Enum) opOr(Enum f) { QFlags g; g.i = i | f; return g; } | |
507 QFlags!(Enum) opXor(QFlags f) { QFlags g; g.i = i ^ f.i; return g; } | |
508 QFlags!(Enum) opXor(Enum f) { QFlags g; g.i = i ^ f; return g; } | |
509 QFlags!(Enum) opAnd(int mask) { QFlags g; g.i = i & mask; return g; } | |
510 QFlags!(Enum) opAnd(uint mask) { QFlags g; g.i = i & mask; return g; } | |
511 QFlags!(Enum) opAnd(Enum f) { QFlags g; g.i = i & f; return g; } | |
512 QFlags!(Enum) opCom() { QFlags g; g.i = ~i; return g; } | |
513 | |
514 // bool operator!() { return !i; } | |
515 | |
516 // bool testFlag(Enum f) { return i & f; } | |
517 } | |
518 | |
519 /* TODO typesafety | |
520 #define Q_DECLARE_FLAGS(Flags, Enum)\ | |
521 typedef QFlags<Enum> Flags; | |
522 #define Q_DECLARE_OPERATORS_FOR_FLAGS(Flags) \ | |
523 QFlags<Flags::enum_type> operator|(Flags::enum_type f1, Flags::enum_type f2) \ | |
524 { return QFlags<Flags::enum_type>(f1) | f2; } \ | |
525 QFlags<Flags::enum_type> operator|(Flags::enum_type f1, QFlags<Flags::enum_type> f2) \ | |
526 { return f2 | f1; } | |
527 */ | |
528 | |
529 char[] QT_TR_NOOP(char[] x) { return x; } | |
530 char[] QT_TRANSLATE_NOOP(char[] s, char[] x) { return x; } | |
531 char[] QT_TRANSLATE_NOOP3(char[] s, char[] x, char[] comment) { return x; } | |
532 | |
533 //class QByteArray; | |
534 //QByteArray qgetenv(char[] varName); | |
535 //bool qputenv(char[] varName, QByteArray value); | |
536 | |
537 int qIntCast(double f) { return cast(int)(f); } | |
538 int qIntCast(float f) { return cast(int)(f); } | |
539 | |
540 /* | |
541 Reentrant versions of basic rand() functions for random number generation | |
542 */ | |
543 void qsrand(uint seed); | |
544 int qrand(); | |
545 | |
546 | |
547 /* | |
548 This gives us the possibility to check which modules the user can | |
549 use. These are purely compile time checks and will generate no code. | |
550 */ | |
551 | |
552 /* Qt modules */ | |
553 | |
554 const ushort QT_MODULE_CORE = 0x0001; | |
555 const ushort QT_MODULE_GUI = 0x0002; | |
556 const ushort QT_MODULE_NETWORK = 0x0004; | |
557 const ushort QT_MODULE_OPENGL = 0x0008; | |
558 const ushort QT_MODULE_SQL = 0x0010; | |
559 const ushort QT_MODULE_XML = 0x0020; | |
560 const ushort QT_MODULE_QT3SUPPORTLIGHT = 0x0040; | |
561 const ushort QT_MODULE_QT3SUPPORT = 0x0080; | |
562 const ushort QT_MODULE_SVG = 0x0100; | |
563 const ushort QT_MODULE_ACTIVEQT = 0x0200; | |
564 const ushort QT_MODULE_GRAPHICSVIEW = 0x0400; | |
565 const ushort QT_MODULE_SCRIPT = 0x0800; | |
566 const ushort QT_MODULE_XMLPATTERNS = 0x1000; | |
567 const ushort QT_MODULE_HELP = 0x2000; | |
568 const ushort QT_MODULE_TEST = 0x4000; | |
569 const ushort QT_MODULE_DBUS = 0x8000; | |
570 | |
571 /* Qt editions */ | |
572 | |
573 const ushort QT_EDITION_CONSOLE = (QT_MODULE_CORE | |
574 | QT_MODULE_NETWORK | |
575 | QT_MODULE_SQL | |
576 | QT_MODULE_SCRIPT | |
577 | QT_MODULE_XML | |
578 | QT_MODULE_XMLPATTERNS | |
579 | QT_MODULE_TEST | |
580 | QT_MODULE_DBUS); | |
581 const ushort QT_EDITION_DESKTOPLIGHT = (QT_MODULE_CORE | |
582 | QT_MODULE_GUI | |
583 | QT_MODULE_QT3SUPPORTLIGHT | |
584 | QT_MODULE_TEST | |
585 | QT_MODULE_DBUS); | |
586 const ushort QT_EDITION_OPENSOURCE = (QT_MODULE_CORE | |
587 | QT_MODULE_GUI | |
588 | QT_MODULE_NETWORK | |
589 | QT_MODULE_OPENGL | |
590 | QT_MODULE_SQL | |
591 | QT_MODULE_XML | |
592 | QT_MODULE_XMLPATTERNS | |
593 | QT_MODULE_SCRIPT | |
594 | QT_MODULE_QT3SUPPORTLIGHT | |
595 | QT_MODULE_QT3SUPPORT | |
596 | QT_MODULE_SVG | |
597 | QT_MODULE_GRAPHICSVIEW | |
598 | QT_MODULE_HELP | |
599 | QT_MODULE_TEST | |
600 | QT_MODULE_DBUS); | |
601 const ushort QT_EDITION_DESKTOP = (QT_EDITION_OPENSOURCE | |
602 | QT_MODULE_ACTIVEQT); | |
603 const ushort QT_EDITION_UNIVERSAL = QT_EDITION_DESKTOP; | |
604 const ushort QT_EDITION_ACADEMIC = QT_EDITION_DESKTOP; | |
605 const ushort QT_EDITION_EDUCATIONAL = QT_EDITION_DESKTOP; | |
606 const ushort QT_EDITION_EVALUATION = QT_EDITION_DESKTOP; | |
607 | |
608 mixin QT_END_NAMESPACE; | |
609 | |
610 private | |
611 struct Align | |
612 { | |
613 ubyte a; | |
614 void* b; | |
615 } | |
616 | |
617 private | |
618 const PTR_ALIGN = Align.tupleof[1].alignof; | |
619 | |
620 private | |
621 template AlignPad(size_t base, size_t aligned) | |
622 { | |
623 static if( aligned == 0 ) | |
624 const AlignPad = base; | |
625 else | |
626 const AlignPad = ((base+PTR_ALIGN-1)/PTR_ALIGN)*PTR_ALIGN | |
627 + aligned; | |
628 } | |
629 | |
630 template InstanceSize(T) | |
631 { | |
632 static if( is( T == Object ) ) | |
633 const InstanceSize = 2*(void*).sizeof; | |
634 else | |
635 const InstanceSize = Max!( | |
636 AlignPad!( | |
637 InstanceSize!(Super!(T)), | |
638 InterfaceCount!(T)*(void*).sizeof), | |
639 | |
640 AlignPad!( | |
641 InstanceSizeImpl!(T, 0), | |
642 + InterfaceCount!(T)*(void*).sizeof)); | |
643 } | |
644 | |
645 private | |
646 template Super(T) | |
647 { | |
648 static if( is( T S == super ) ) | |
649 alias First!(S) Super; | |
650 else | |
651 static assert(false, "Can't get super of "~T.mangleof); | |
652 } | |
653 | |
654 private | |
655 template First(T) | |
656 { | |
657 alias T First; | |
658 } | |
659 | |
660 private | |
661 template First(T, Ts...) | |
662 { | |
663 alias T First; | |
664 } | |
665 | |
666 private | |
667 template InstanceSizeImpl(T, size_t i) | |
668 { | |
669 static if( i < T.tupleof.length ) | |
670 const InstanceSizeImpl = Max!( | |
671 T.tupleof[i].offsetof + T.tupleof[i].sizeof, | |
672 InstanceSizeImpl!(T, i+1)); | |
673 else | |
674 // This is necessary to account for classes without member | |
675 // variables. | |
676 const InstanceSizeImpl = 2*(void*).sizeof; | |
677 } | |
678 | |
679 private | |
680 template Max(size_t a, size_t b) | |
681 { | |
682 static if( a > b ) | |
683 const Max = a; | |
684 else | |
685 const Max = b; | |
686 } | |
687 | |
688 private | |
689 template InterfaceCount(T) | |
690 { | |
691 static if( is( T == Object ) ) | |
692 const InterfaceCount = 0u; | |
693 else static if( is( T S == super ) ) | |
694 const InterfaceCount = InterfaceCountImpl!(S); | |
695 } | |
696 | |
697 private | |
698 template InterfaceCountImpl(TBase, TInterfaces...) | |
699 { | |
700 const InterfaceCountImpl = TInterfaces.length; | |
701 } | |
702 | |
703 /+ | |
704 scope class StackObject(C) | |
705 { | |
706 byte[InstanceSize!(C)] data; | |
707 bool constructed; | |
708 | |
709 C opCall(A...)(A args) | |
710 { | |
711 assert(!constructed); | |
712 | |
713 auto r = new(&data)C(args); | |
714 r.__stackAllocated = true; | |
715 constructed = true; | |
716 | |
717 return r; | |
718 } | |
719 | |
720 ~this() | |
721 { | |
722 if (constructed) | |
723 { | |
724 auto obj = cast(C)&data; | |
725 delete obj; | |
726 } | |
727 } | |
728 } | |
729 +/ | |
730 | |
731 mixin QT_END_HEADER; | |
732 |